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Nokia Lumia 638 vs Xiaomi Redmi 4
Compare Specification and Price of Nokia Lumia 638 and Xiaomi Redmi 4
| Selected Mobiles |  Nokia Lumia 638
Brand: Model: |
 Xiaomi Redmi 4
Brand: Model: |
Brand: Model: |
Brand: Model: |
| Price | Rs. 8,999/- | Not Available | ||
Pros and Cons
| Pros | Supports 4G networks | 4G Volte Support FingerPrint Sensor Octa-core Processor |
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| Cons | No front camera | Non-removable Battery Average RAM |
Overview
| Class | Smartphone | Smartphone | ||
| Status | Available | Available | ||
| SIM Type | Micro-SIM | Dual SIM (Micro, Nano-Hybrid) | ||
| Colors Available | Black | Gold, Dark Gray, Silver | ||
| Network | 2G Network: GSM 850 / 900 / 1800 / 1900 MHz 3G Network: HSDPA 850 / 900 / 1900 / 2100 MHz- RM-1010 4G Network: LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) MHz |
2G Network: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 3G Network: HSDPA 850 / 900 / 1900 / 2100 4G Network: LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) |
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| Browser | HTML5 | HTML5 | ||
| Form Factor | Candy bar | Candy Bar | ||
| In The Box | Handset, Battery, Charger, Earphone, User Manual, Warranty Card | -- |
Processor & OS
| Operating System | Microsoft Windows Phone 8.1 | Android OS, v6.0.1 (Marshmallow) | ||
| Processor | 1.2 GHz Quad-core Qualcomm Snapdragon 400 | Octa-core 1.4 GHz Cortex-A53 Qualcomm MSM8937 Snapdragon 430 Processor |
Physical Dimensions
| Dimension (HxWxD) | 129.5 x 66.7 x 9.2 mm | 141.3 x 69.6 x 8.9 mm | ||
| Weight | 136 g | 156 g |
Display
| Size | 4.5 inches (~218 ppi) | 5.0 Inches (~296 ppi) | ||
| Technology | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen | ||
| Resolution | 480 x 854 pixels | 720 x 1280 Pixels | ||
| Colors | -- | 16M | ||
| Other Features | -- | MultiTouch |
Memory
| Internal Memory & Storage | 8 GB | 16 GB | ||
| External Memory | Yes, up to 128 GB via microSD | microSD, expandable upto 256 GB (SIM 2 slot) | ||
| RAM | 1 GB | 2 GB |
Battery
| Type | Li-Ion 1830 mAh battery (BL-5H) | Non-removable Li-Po 4100 mAh battery | ||
| Talk Time | -- | Up to 36 hours (3G) | ||
| Stand-by Time | -- | Up to 432 hours (3G) | ||
| Audio Playback | -- | Up to 87 hours (3G) |
Camera
| Primary Camera(Rear) | 5 MP | 13 MP with LED flash | ||
| Secondary Camera(Front) | -- | 5 MP | ||
| Resolution | 2592 х 1944 pixels | 4128 x 3096 Pixels | ||
| Digital/Optical Zoom | Digital Zoom | Digital Zoom | ||
| Video | -- | Yes, 1080p | ||
| Features | 1/4'' sensor size, Geo-tagging, Panorama | Auto Focus, Face detection, Touch to focus, Exposure compensation, ISO control, Continuos Shooting, High Dynamic Range mode (HDR) |
Data & Connectivity
| GPRS | Yes | Yes | ||
| EDGE | Yes | Yes | ||
| 3G | Yes | Yes, HSDPA 42.2 Mbps, HSUPA 5.76 Mbps | ||
| 4G | Yes | Yes, LTE-A (2CA) Cat6 300/100 Mbps | ||
| Bluetooth | v4.0, A2DP, LE/ apt-X after WP8 Denim update | Yes, 4.1, A2DP, LE | ||
| USB | microUSB v2.0 | Yes, microUSB 2.0 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot | ||
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS |
Multimedia
| Music Player | Yes, Supports MP3, WAV, eAAC+, WMA player | Yes, Supports MP3, WAV, eAAC+, FLAC | ||
| MP3 Ringtone | Yes | Yes | ||
| Poly Ringtone | -- | Yes | ||
| LoudSpeaker | Yes | Yes | ||
| Video Player | Yes, Supports MP4, H.264, WMV player | Yes, Supports DivX, Xvid, MP4, H.265 | ||
| Video recording | -- | Yes, 1080p @ 30fps |
Features
| Java | No | No | ||
| Messaging | SMS / MMS / Email / Push Mail / Instant Messaging | SMS / MMS / Email / Push Mail / Instant Messaging | ||
| Sensors | Accelerometer | Fingerprint Sensor, Light sensor, Accelerometer, Proximity sensor, Compass, Gyroscope | ||
| FM Radio | Yes | Yes | ||
| Document Viewer | Yes | Yes |
Safety Tips for Buyers
- Never pay the Seller before receiving and verifying the device.
- Never scan any QR code or share OTP.
- Ask for bill, box, accessories etc to make sure its not a stolen device.
- Meet the Seller in a safe place preferably in daytime.
Safety Tips for Sellers
- Never handover the phone before receiving the full amount.
- Avoid Buyers from foreign countries.
- Beware of Buyers from other cities.
- Never share sensitive data of your bank account or credit card.
- Never scan any QR code or share OTP.
- Meet the Buyer in a safe place preferably in daytime.
- Make sure to delete all personal data from the phone before selling.
- Format the device or Reset to factory settings before selling.